If the patient's chin is tipped up, the image appears as an exaggerated smile

Accurate and proper ________ is essential because patient records are often used as evidence in professional liability cases. 

Fill in the blank(s) with the appropriate word(s).

The amount of air that moves in or out of the lungs during a normal breath is the ____. 

A. tidal volume B. inspiratory reserve volume C. expiratory reserve volume D. residual volume E. inspiratory capacity